vsc055xkm-01 Maxim Integrated Products, Inc., vsc055xkm-01 Datasheet - Page 120

• Manufacturer Part Number: vsc055xkm-01
• Description: Enhanced I?c Backplane Controller
• Manufacturer: Maxim Integrated Products, Inc.

4.2.2
Figure 5. Two-Wire Serial Interface Timing Diagram
Table 22. Two-Wire Serial Interface Timing Characteristics
Revision 4.1
January 2008
Two-Wire Serial Interface Timing
This section provides information associated with device parameters that control the timing of the
two-wire serial interface.
The two-wire serial interface conforms to industry-standard timing for standard and fast mode operation.
Parameter
SCL clock frequency
Bus free time
Hold time—START condition
SCL LOW time
SCL HIGH time
Setup time, START condition
Hold time, data
Setup time, data
Setup time, STOP condition
SDA
SCL
S
T
A
R
T
t
SU:STA
t
Symbol
t
HD:STA
t
t
t
t
SU:STO
HD:STA
SU:STA
HD:DAT
SU:DAT
t
t
t
f
t
HIGH
LOW
LOW
SCL
BUF
120 of 133
Minimum
250
4.7
4.0
4.7
4.0
4.7
4.0
t
t
HD:DAT
HIGH
0
0
Standard Mode
t
SU:DAT
Maximum
100
Minimum
100
1.3
0.6
1.3
0.6
0.6
0.6
0
0
Fast Mode
t
BUF
Maximum
S
T
O
P
400
0.9
t
HD:STO
VSC055-01
Data Sheet
Unit
kHz
µs
µs
µs
µs
µs
µs
µs
µs